Assuming the pulley to be frictionless and massless, the smallest coefficient of static friction is 0.33 to cause the cylinder to roll. If for the cylinder M=70kg and radius of gyration 400 mm. Then.?

A. The cylinder will move up and the mass will descend
B. The cylinder will move up and the mass will also move up
C. The cylinder will roll down the plane and mass will ascend
D. None is true