---
title: The Earth also spins, and the ground near the equator spins round fa… — Rockets, record speeds and motion everywhere · tree and pragmatics
description: The Earth also spins, and the ground near the equator spins round fastest, so a rocket launched there gets a free sideways start. Who acts: Earth, ground, rocket. A sentence of the lesson «Rockets, record speeds and motion everywhere» of the physics course of Mova's primary school with its dependenc
---

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# Rockets, record speeds and motion everywhere, sentence 14

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The Earth also spins, and the ground near the equator spins round fastest, so a rocket launched there gets a free sideways start.

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**Who acts:** Earth, ground, rocket · **What happens:** spin, spin round, launch, get · **To what, where:** rocket, free sideways start

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This is a sentence of the lesson «Rockets, record speeds and motion everywhere» of the physics course of Mova's primary school. The page gives its syntax tree — a dependency tree in the style of Universal Dependencies — and its pragmatics clause by clause: who acts (Earth, ground, rocket), what happens, when and where, as Mova's frames read it from the tree.

## The tree {#tree}

```conllu
# sent_id = school:physics:038-rockets-record-speeds-and-motion-everywhere.lesson:14
# text = The Earth also spins, and the ground near the equator spins round fastest, so a rocket launched there gets a free sideways start.
# source = school lesson (ours)
# course = physics
# lesson = 038-rockets-record-speeds-and-motion-everywhere.lesson
# annotation = Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R7-rel-agree ×1
1	The	the	DET	DT	Definite=Def|PronType=Art	2	det	_	_
2	Earth	Earth	PROPN	NNP	Number=Sing	4	nsubj	_	_
3	also	also	ADV	RB	_	4	advmod	_	_
4	spins	spin	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	0	root	_	_
5	,	,	PUNCT	,	_	12	punct	_	_
6	and	and	CCONJ	CC	_	12	cc	_	_
7	the	the	DET	DT	Definite=Def|PronType=Art	8	det	_	_
8	ground	ground	NOUN	NN	Number=Sing	12	nsubj	_	_
9	near	near	ADP	IN	_	11	case	_	_
10	the	the	DET	DT	Definite=Def|PronType=Art	11	det	_	_
11	equator	equator	NOUN	NN	Number=Sing	8	nmod	_	_
12	spins	spin	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	conj	_	_
13	round	round	ADV	RB	_	14	advmod	_	_
14	fastest	fast	ADV	RBS	Degree=Sup	12	obl	_	_
15	,	,	PUNCT	,	_	21	punct	_	_
16	so	so	ADV	RB	_	21	advmod	_	_
17	a	a	DET	DT	Definite=Ind|PronType=Art	18	det	_	_
18	rocket	rocket	NOUN	NN	Number=Sing	21	nsubj	_	_
19	launched	launch	VERB	VBN	Tense=Past|VerbForm=Part	18	acl	_	_
20	there	there	ADV	RB	PronType=Dem	19	advmod	_	Agree=R5-strong|Haiku=21:advmod
21	gets	get	VERB	VBZ	Mood=Ind|Number=Sing|Person=3|Tense=Pres|VerbForm=Fin	4	advcl	_	_
22	a	a	DET	DT	Definite=Ind|PronType=Art	25	det	_	_
23	free	free	ADJ	JJ	Degree=Pos	25	amod	_	_
24	sideways	sideways	ADJ	JJ	Degree=Pos	25	compound	_	Agree=R7-rel-agree|Haiku=25:amod
25	start	start	NOUN	NN	Number=Sing	21	obj	_	_
26	.	.	PUNCT	.	_	4	punct	_	_
```

## Pragmatics {#pragmatics}

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- form: statement
- act: assert
- voice: narrator
- polarity: none
- teacher: kept the draft

<!-- .fr -->
| # | verb | tense, mood | who | what, whom | to whom | where | when | other | roles by |
| --- | --- | --- | --- | --- | --- | --- | --- | --- | --- |
| 1 | **spin** | present | the Earth |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 2 | **spin round** | present | the ground near the equator |  |  |  |  |  | vn roll-51.3.1 «NP.theme V»: agent=Theme |
| 3 | **launch** | participle |  | a rocket *not said here* |  | there |  |  | vn throw-17.1-1-1 «NP V NP»: agent=Agent |
| 4 | **get** | present | a rocket | a free sideways start |  |  |  |  | vn comprehend-87.2-1 «NP V NP»: agent=Experiencer start=Stimulus |

<!-- .note -->
One row per clause the reader finds. «not said here»: a role filled from the clause above. «roles by»: a VerbNet class and frame when one fits the verb, else the reader's rules on the tree.

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**Licence: [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/)**, as the whole of Mova corpus 0.4, of which this treebank (the agreed school, `mova-school-agreed-en.conllu`) is part. The lessons were written for Mova's primary school. Sentence `school:physics:038-rockets-record-speeds-and-motion-everywhere.lesson:14`.

**The tree:** Mova annot: Rust (en) → Haiku 5.5 (medium, Batches API) patches; gates UD 2.18; agreed by treeagree rules (Stanza, Trankit, spaCy trf): R5-strong ×1, R7-rel-agree ×1. **The frames** are read from the tree by Mova's frames reader (`prag`) when this page is built, the lesson read in order, so a pronoun may be resolved from an earlier sentence.

See the [release 0.4](https://md.mova.elamur.ai/free/en/releases/0.4/).

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