Comment faire du défilement de la souris dans Ubuntu 20.04

how to fast mouse scrolling in ubuntu ?

you have to install a software called imwheel for fasting the scrolling of mouse
sudo apt install imwheel
and then just run below command and set your desired range to speed up mouse scroling
bash <(curl -s http://www.nicknorton.net/mousewheel.sh)

that's it boom.
Glorious Gull