What about if there is a jump at the end of the planes ramp the rider gets loads of air, the more air time the more he will slow down. So when he lands it might be close to 0 speed perhaps an STW aerodynamist could run the numbers?
I am not an aerodynamist but on the face of it this seems like a good way to die.
Drag varies with the square of air speed making the equation tricky (there is less drag as Danny's ground speed reduces) but by my reckoning it would take over 10s for a cyclist to be slowed from 50mph to zero purely by wind resistance, even with a 30 mph headwind.
So to be high enough off the ground to have enough time for this to happen as he falls Danny is going to have to have a max heigh of something around 500m (very approximately)
But anyway a human will hit terminal velocity in around 5s of freefall so basically whatever Danny does if he wants to have a ground speed of 0mph he is going to hit the tarmac at terminal velocity, which for a person is about 120mph. Best get some strong rims!