In article ,
lid says...

The acceleration graph shown there for CRS/Dragon missions never falls
below about 0.53 g, so it is indeed still accelerating at Max Q. From
the behaviour before and after Max Q it seems that without the
throttle-down for Max Q the acceleration at that altitude would still be
less than 1 g, so the throttle-down cuts acceleration in half, but not
more than that.

This is correct, from what I've seen. Around max-Q the engines are
throttle down to limit acceleration, but it's still acceleration through
max-Q, just not as quickly as it would have. It's a trade off between
minimizing gravity losses (i.e. faster acceleration) and minimizing
aerodynamic forces during max-Q (i.e. throttling down to limit
acceleration).

Jeff

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