In the plot below, determine the acceleration. How long will it take to reach a speed at 70 m/s. Photo below.

68.4 s

Explanation:

The plot points seem to indicate a 5 m/s increase in velocity in the 6 seconds between 2 and 8 second marks. This makes the acceleration

a = 5 / 6 m/s/s

At time zero, the velocity is 13 m/s, so we need to increase by

70 - 13 = 57 m/s

t = v/a = 57 / (5/6) = 68.4 s

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explanation:

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