3 At t 0 a train approaching a station begins decelerating from a speed of 160 mi hr according to the acceleration function a t 1280 1 4t 3 mi hr2 where t 0 How far does the train travel betwee t 0 and t 0 2 Between t 0 2 and t 0 5 Between t 0 and t 0 2 the train travels 49 78 mi Round to three decimal places as needed