A solid sphere sits at the top of a ramp of height h inclined at angle \theta to the horizontal. Both the static and kinetic coefficients of friction between the sphere and incline are \mu_{k}=\mu_{s}=0.2. The sphere is released from rest at the top of the incline. For which of the following values of \theta is the total translational plus rotational kinetic energy of the sphere greatest when it reaches the bottom of the incline?
Answer Choices
A. 10^{\circ} \leftarrow CORRECT
B. 45^{\circ}
C. 60^{\circ}
D. 80^{\circ}
E. The mechanical energy is the same for all choices.