The position of a particle moving on a horizontal line (where s is in meters to the right of a xed reference point and t in seconds after the start of the observation) is .5 = (1/3)? 6:2 + 36: + 5. (a) Find the velocity and acceleration as functions of t. Velocity, in meters per second, at time t : C] Acceleration, in meters per second, per second, at time t : C] (b) Find the acceleration after '1 second. Acceleration, in meters per second, per second, after '1 second : C] (c) Find the acceleration at the instant when the velocity is 0. Acceleration, in meters per second, per second : C]