A Solid Sphere (Radius R, Mass M) Rolls Without Slipping $\theta$

Multiple Choice

A solid sphere (radius R, mass M) rolls without slipping down an incline as shown in the figure. The linear acceleration of its centre of mass is:

A) (5/7) g sin $\theta$
B) (3/5) g sin $\theta$
C) (2/3) g sin $\theta$
D) (1/2) g sin $\theta$
E) (4/5) g sin $\theta$