Quote Originally Posted by ISAtlanta300
Of course in that scenario the plane will take off, and the ugly black square van will pull you.

But the original question does NOT have the conveyor match the speed of the wheels, but the speed of the plane/ mass, which could be interpreted that it is able to counteract any thrust/ forward motion of the plane itself by adjusting its speed accordingly.
I will play your game. How can the conveyor match/halt ANY forward motion that the plane has (as long as it has a jet engine and is not wheel-driven). You're ALMOST there... I have faith in you. LOL