Assume there is a large frictional force acting on the cart (coefficients of friction 𝜇𝑆 = 0.4 and 𝜇𝑘 = 0.15), and the total mass 𝑀 = 𝑚1 + 𝑚2 = 0.65𝑘𝑔.

a. Find the equation for the acceleration of the cart in terms of 𝜇𝑘, the masses, and g – assuming that the cart is moving along the track.