A quarterback throws a football straight toward a receiver with an initial speed of 19.8m/s, at an angle of 30.3 above the horizontal. At that…

A quarterback throws a football straight toward a receiver with an initial speed of 19.8m/s, at an angle of 30.3° above the horizontal. At that instant, the receiver is 21.5m from the quarterback. In what direction and with what constant speed should the receiver run to catch the football at the level at which it was thrown?