At time t seconds, the position of a body moving along the s-axis iss = (-12t + 45t) m.(a) Find the acceleration of the body

At time t seconds, the position of a body moving along the s-axis iss = (³-12t² + 45t) m.(a) Find the acceleration of the body each time the velocity is zero. Enter your answer as a list if necessary.Answer: -6,6(b) Find the speed of the body each time the acceleration is zero. Enter your answer as a list if necessary.(c) Find the total distance traveled by the body from t=0 tot = 4.?m