A $4.00 \mathrm{~kg}$ Hollow Cylinder of Radius $5.00 \mathrm{~cm}$ Starts from Rest and Rolls Without Slipping Down a 30

Multiple Choice

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

A) $3.02 \mathrm{~m} / \mathrm{s}$ .
B) $1.35 \mathrm{~m} / \mathrm{s}$ .
C) $2.55 \mathrm{~m} / \mathrm{s}$ .
D) $1.82 \mathrm{~m} / \mathrm{s}$ .
E) $1.57 \mathrm{~m} / \mathrm{s}$