A kite is on a string as shown in the figure below.
The string makes an angle of \( 60 ^ { \circ } \) with the ground. If the length of the string is \( 120 \) feet, what is the height of the kite above the ground, in feet?
\(60 \)
\( 60 \sqrt { 3 } \)
\( 120 \)
\( 120 \sqrt { 3 } \)