The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds. 5 = 2t - t 2, Osts2 Find the body's speed and acceleration at the end of the time interval. A 6 m/sec, -4 m/sec2 B -2 m/sec, - 2 m/sec2 2 m/sec, -4 m/sec2 D 2 m/sec, - 2 m/sec2