The function s = f(t) gives the position of a body moving on a coordinate line, with s in meters and t in seconds. 1) s= - 13 + 812 - 8t, Ost=8 Find the body's speed and acceleration at the end of the time interval. A) 72 m/sec, -8 m/sec2 B) - 72 m/sec, -32 m/sec2 C) 72 m/sec, -32 m/sec2 D) 8 m/sec, 0 m/sec2