Originally Posted by
Kuma Kode
This is exactly my point. Unless specifically stated otherwise, a 5-foot step is five feet. It is its own special action with particular rules. It's the specific vs. generic thing. General adjustments to movement do not modify the specifics of that particular action unless they specifically state otherwise. Downward speed is "doubled", but it does not specifically state that is also doubles 5' steps. Ergo, your 5' step is limited to five feet, even when moving down.