Yes the key repeat settings exist, but in a poorly-designed location where people might not find them:
Settings > Universal Access > Typing > Repeat Keys
And the mouse speed is:
Settings > Mouse & Touchpad > Mouse > Mouse Speed
So that only leaves the the scrolling speed unconfigurable.
Yes the key repeat settings exist, but in a poorly-designed location where people might not find them:
Settings > Universal Access > Typing > Repeat Keys
And the mouse speed is:
Settings > Mouse & Touchpad > Mouse > Mouse Speed
So that only leaves the the scrolling speed unconfigurable.