Suppose that the equation of motion for a particle (where s is in meters and t in seconds) is
s = \sin(3 \pi t) .

(a) Find the velocity and acceleration as functions oft .

(a) Find the velocity and acceleration as functions of

Velocity at time

Acceleration at time

(b) Find the acceleration after 1 second.

Acceleration after 1 second:

(c) Find the acceleration (in absolute value) at the instant
when the velocity is 0.

Acceleration:

You can earn partial credit on this problem.