Solve the Problem $13 \mathrm { ft } / \mathrm { sec }$

Multiple Choice

Solve the problem.
-A hot-air balloon is rising vertically $13 \mathrm { ft } / \mathrm { sec }$ while the wind is blowing horizontally at $6 \mathrm { ft } / \mathrm { sec }$ . Find the angle that the balloon makes with the horizontal.

A) $65.2 ^ { \circ }$
B) $51.3 ^ { \circ }$
C) $24.8 ^ { \circ }$
D) $47.4 ^ { \circ }$