(8 points ) A box is pushed across a flat surface. The acceleration of the box is described by a(t) = 3t2 + 9, where a(t) is in min - and t is in minutes. What is the change in velocity from t = 0 to t = 3 minutes? 063 it min 051 ft min 045 ft min 057 it min 0 54 ft min 0 59 It min Submit Answer Tries 0/99