A student hits a tennis ball towards a wall, $3\mathrm{.}00$ m $($horizontally$)$ away. The ball leaves the racket travelling $11\mathrm{.}9$ m$/$s at an angle of $21\mathrm{.}4\backslash$deg above the horizontal.

Draw a diagram depicting the trajectory of the object and include all relevant variables.

with what speed does the ball hit the wall?