This is why you might want to use mouse acceleration in CSGO - WIN.gg
How to Turn Off Mouse Acceleration, Everywhere – Voltcave
How to set up Counter-Strike: Global Offensive like the pros | VentureBeat
Weird mouse acceleration after installing Windows 10 : r/GlobalOffensive
If you experiencing strange mouse movements, and you feel that "something is off" with your sensitivity; turn off "Fullscreen Optimizations" in the Compatibility Tab of the csgo.exe properties. : r/GlobalOffensive
Mouse acceleration in CS:GO. Complete guide by SCOPE.GG
How to Turn Off Mouse Acceleration, Everywhere – Voltcave
Counter-Strike: Global Offensive and Mouse Sensitivity - Gaming Mice - Corsair Community