A 17-Kg Mass Is Placed on a 28° Incline and Friction

Multiple Choice

A 17-kg mass is placed on a 28° incline and friction keeps it from sliding.The coefficient of static friction in this case is 0.565 and the coefficient of sliding friction is 0.515.The mass is given a shove causing it to slide down the incline.Taking down the incline as positive,what is the acceleration of the mass while it is sliding?

A) -0.14 m/s²
B) 0.14 m/s²
C) -0.29 m/s²
D) 0.29 m/s²
E) ​15.01 m/s²