Acceleration is defined as the rate of change for which of the following?

a. time
b. velocity
c. position
d. displacement

I think the correct answer from the choices listed above is option B. Acceleration is defined as the rate of change for velocity. It is the change in speed or velocity per unit of time. It is the net result of all the forces acting on an object.

B) as the temperature increases, the kinetic energy of the particles increases.|-/

Since the pully is a simple machine so the mechanical advantage is a 1