Your 'cq_1_02.1' report has been received. Scroll down through the document to see any comments I might have inserted, and my final comment at the end.
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The average velocity is .4
Because u can never be certain
It probably traveled around 7cm in 3 seconds
The average rate of velocity change would be .57
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20 min
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See my note on the first 'seed' questions and please resubmit this similarly.