Scrollwheel Speed Control

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Anyone here ever played Splinter Cell Chaos Theory on PC?

It had an ingenious control scheme for movement  where you  used the scrollwheel to progressively dial your speed up or down from tip-toeing, to walking, to power-walking, to jogging, to running and everything betwixt those- effectively giving you the full range of movement on keyboard you'd otherwise only get with an analog stick. It's so good I don't know why it's never really been a thing in PC games since.

Would *love* to have that in Skyrim, or any bethesda-engine game for that matter.