Question: a quantity of 5 m/s2 is a measure of
[{'answer': 'acceleration', 'provenance': [{'wikipedia_id': '742238', 'title': 'Metre per second squared', 'start_paragraph_id': 1, 'start_character': 44, 'end_paragraph_id': 1, 'end_character': 56, 'bleu_score': 1.0, 'section': 'Section::::Abstract.'}]}, {'provenance': [{'wikipedia_id': '742238', 'title': 'Metre per second squared', 'start_paragraph_id': 1, 'start_character': 0, 'end_paragraph_id': 1, 'end_character': 286, 'bleu_score': 0.906944319610487, 'meta': {'yes_no_answer': 'NONE', 'annotation_id': 7837099158440172117}, 'section': 'Section::::Abstract.'}]}]