A 60 Kg Box Slides Down an Inclined Plane That Makes

A 6.0 kg box slides down an inclined plane that makes an angle of 39° with the horizontal.If the coefficient of kinetic friction is 0.19,at what rate does the box accelerate down the slope? (Use g = 9.8 m/s². )

A) 4.7 m/s²
B) 5.2 m/s²
C) 5.5 m/s²
D) 6.2 m/s²