Three Blocks with Masses of 1 Kg,2 Kg,and 3 Kg $\theta$

Multiple Choice

Three blocks with masses of 1 kg,2 kg,and 3 kg are sliding down a plane inclined at an angle $\theta$ = 25 ^$\circ$ .If the coefficient of kinetic friction is the same for each of the blocks,which block has the greatest acceleration along the plane?

A) They all have the same acceleration
B) the 1-kg block
C) the 2-kg block
D) the 3-kg block
E) the 2- and 3-kg blocks