At time t' the position of a bodyr moving along the s-axis is s = t3 +12t2 45t m. a. Find the body's acceleration each time the velocity is zero. b. Find the body's speed each time the acceleration is zero. 1:. Find the total distance traveled by the body from t = 0 to t = 4. a. What is the body's acceleration each time the velocity is zero? Select the correct choice below and. if necessary, fill in the answer box to complete your choice '3' A- misz (Simplify your answer. Use a comma to separate answers as needed.) {:1 B. There is no solution