If this position was given a meters and time was in seconds then this would be 72 meters per seconds squared is the average acceleration between time in one second and time at two seconds. Average Acceleration change in Velocity time taken a Vf - Vi tf - ti a v t. A avg refers to the average acceleration ms 2.
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Dv is v f v i ms. You can use the acceleration equation to calculate acceleration. Thus average acceleration is the average rate of change of velocity. Average Acceleration change in Velocity time taken a Vf - Vi tf - ti a v t.