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This question has several parts that must be completed sequentially. if you skip a part of the question, you will not receive any points for the skipped part, and you will not be able to come back to the skipped part. tutorial exercise the speed of a runner increased steadily during the first three seconds of a race. her speed at half-second intervals is given in the table. find lower and upper estimates for the distance that she traveled during these three seconds. t (s) 0 0.5 1.0 1.5 2.0 2.5 3.0 v (ft/s) 0 6.2 10.8 14.9 18.1 19.4 20.2 step 1

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meerkat18
Honestly, I can't understand the question of finding the 'lower and upper estimates' when you can exactly determine the distance travelled in 3 seconds. The data given is useful to know the distance travelled at a certain time. You can determine this by multiplying the v with t. So, at t = 3 s, the distance is:

Distance = v*t = (20.2 ft/s)(3 s) = 60.6 ft

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