The position(m)-time(sec) data for a moving body is given: 0 0.25 0.5 0.75 1.25 1.5 13 10.2 17.2 26.2 33.1 39.1 Approximate the velocity at time t = 1.25 sec by using central differences (b) Approximate the acceleration at time t = 1.25 sec by using central differences