If mass A is 1.0 kg, mass B is 5.0 kg, and the frictionless pulley has a mass of 0.5 kg and a radius of 0.15 m, what is the velocity of A and B at 0.5 seconds? a. A = -3.27 m/s, B = 3.27 m/s
c. A = 3.27 m/s, B = -3.27 m/s
b. A = 1.82 m/s, B = 0.18 m/s
d. A = 0.18 m/s, B = 1.82 m/s