Question: Train A runs back and forth on an east-west section of , railroad track. Train A's velocity, measured in meters per ' (mlnutes) 2 5

Train A runs back and forth on an east-west section of

Train A runs back and forth on an east-west section of , railroad track. Train A's velocity, measured in meters per ' (mlnutes) 2 5 12 minute, is given by a differentiable function v A (I), where \"mm-- . . _ _ v I meters minute 120 150 time t IS measured In minutes. Selected values for VA!) A ) ( l ) are given in the table above. (a) Find the average acceleration of train A over the interval 2 s t s 8. (b) Do the data in the table support the conclusion that train A's velocity is 100 meters per minute at some time t with 5

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