Were both those machines dropped out of an airplane nikates? Well just the same I'll keep your cop friends radar gun in mind if I am ever driving through Iowa. Now stock for stock its raptor all the way the banshee is not a fast quad until it visits the aftermarket for me i'll take torque and a wide powerband anyday.

 

A human's terminal velocity is 120mph, I cant imagine the atv will go too much faster with all that wind resistance. Even when jumping double man cant get any faster.