A Solid Ball Having a Mass of 2 $\theta$ = 51º with the Horizontal

Multiple Choice

A solid ball having a mass of 2.6 kg and a radius of 0.2 m is placed at the top of an incline. The incline makes an angle of $\theta$ = 51º with the horizontal. The ball is then released and rolls without slipping down the incline. The acceleration of the ball's center of mass along the incline is

A) 6.9 m/s $2$
B) 6.3 m/s $2$
C) 4.5 m/s $2$
D) 5.4 m/s $2$