Linux
Arch
Kde
KDE setttings doesn't affect mouse acceleration, so we use xinput.
Get the mouse id:
xinput list
Get all the props for the mouse:
xinput list-props 14
Set the acceleration property. Value may need to be adjusted.
xinput set-prop 14 669 -1
From: https: //unix.stackexchange.com/questions/90572/how-can-i-set-mouse-sensitivity-not-just-mouse-acceleration