A Stone Is Thrown with an Initial Speed of 15 $\degree$

Multiple Choice

A stone is thrown with an initial speed of 15 m/s at an angle of 53 $\degree$ above the horizontal from the top of a 40-m building. If g = 9.8 m/s² and air resistance is negligible, then what is the speed of the rock as it hits the ground?

A) 30 m/s
B) 32 m/s
C) 34 m/s
D) 36 m/s