A rocket lifts off with an acceleration a. During liftoff, in terms of absolute values, is...

A rocket lifts off with an acceleration a. During liftoff, in terms of absolute values, is the work done on an astronaut by gravity larger than, equal to, or smaller than the work done by the normal reaction between the astronaut and her or his seat?

Note:Concept problems are about explanations, not computations.

Figure P4.1