Originally Posted by rollagain

This is misleading. The ground speed of a stationary trainer is zero, while force, work, and power are all in full play. The work still moves machinery against a resistive load; the machinery just stays in one place. So ground speed needs to be replaced by some other metric for those equations to be meaningful.

Also, on those charts, wind resistance would disappear, and rolling resistance would disappear as a discrete factor and be added to bearing and drivetrain friction, perhaps as a different number.