question_subject:
Science
question_exam:
CAPF
stats:
0,97,55,14,16,25,97
keywords:
{'zero acceleration': [0, 0, 0, 1], 'zero velocity': [0, 0, 0, 1], 'free fall': [0, 0, 1, 2], 'acceleration': [0, 0, 2, 8], 'gravity': [0, 0, 0, 6], 'velocity': [0, 2, 2, 6], 'object': [1, 0, 11, 43]}