The radii of the axle and the wheel are increased by 3 times and 5 times, respectively. The new M.A. advantage of the wheel and axle is
A. `(5)/(3)` times the initial M.A
B. `(3)/(2)` times the initial M.A.
C. `(25)/(9)` times the initial MA
D. `(9)/(4)` times the initial M.A.