[单选题]
An object with a mass m b8;l5u kf( t ql15fr2 x -nf5dniiyh5cue*8odki qi+ume19+0 drqovf 17 qfv) slides down a rough $37^{\circ}$ inclined plane where the coefficient of kinetic friction is 0.20. What is the acceleration of the object?
A. $4.3 \; m/s^2$
B. $5.9 \; m/s^2$
C. $6.6 \; m/s^2$
D. $7.8 \; m/s^2$
