A 400 Kg Hollow Sphere of Radius 5

Multiple Choice

A 4.00 kg hollow sphere of radius 5.00 cm starts from rest and rolls without slipping down a 30.0 degree incline.If the length of the incline is 50.0 cm,then the velocity of the center of mass of the hollow sphere at the bottom of the incline is

A) 1.28 m/s.
B) 1.44 m/s.
C) 1.65 m/s.
D) 1.72 m/s.
E) 1.98 m/s.