A rocket ascends at an angle of 60.0˚ with the horizontal. After 1.00 min it is directly over a point that is a horizontal distance of 16.0 km from the launch point. Find the speed of the rocket.

distance flown = 16/cos 60 = 32 km

32 km/(1/60)hr = 60 * 32 = 1920 km/hr