Originally Posted by
HTupolev
This is an inaccurate way of describing it that actually makes it sound more significant than it is. It's not that it applies during acceleration, it's that it applies with respect to acceleration. So for example, if you're accelerating while climbing a hill, the doubling factor does not apply to gravitational resistance just because you happen to be accelerating.
I was thinking that was obvious since we were discussing acceleration. But I suppose it is a useful clarification for those who might not understand the difference.