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These are the different speed in a race: 0m/s at 0s, 4m/s at 2s, 7m/s at 4s, 10m/s at 6s, 12m/s at 8s, and at 10m/s at 10 seconds.

 Apr 11, 2016
 #1
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All well and good....but what is your question?

 Apr 11, 2016

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