Motorcycle Powered Sand Rails Motorcycle Power: Related To The Work And Energy Question?

Motorcycle Power: related to the work and energy question? - motorcycle powered sand rails

A motorcycle rider has a total mass of 300 kg and travels at a constant speed of 19 m / sec, the force of the wind loads on the bike and rider at this speed is 2.4 X 102N.
Explore And keep the force on the ground, but I need to find
How much power should cause the bike to keep the speed in a gradient of 39 degrees?