The velocity of an object is given as a function of time by v = 4t − 3t2, where v is in m/s and t is in seconds. Its average velocity over the interval from t = 0 to t = 2s: A. is 0 B. is −2m/s C. is 2m/s D. is −4m/s E. cannot be calculated unless the initial position is given ans: A