This Tip Show How to Set-Up the Mouse Acceleration Linux Command Line for to have a Better Performing Mouse on Linux.
The Values Indicated has been Tested to Give the Best Performance for Mouses on Linux.

xset m ACCELERATION THERESHOLD
You need to give an Integer value for ACCELERATION and THERESHOLD.
The THERESOLD value set the number of Pixels Change in a Short Period for Activate the Boosting ACCELERATION.
So if you set the THERESHOLD to 1 you mouse will be Always Accelerated.
Example:
xset m 5 1
To Reset your Setting:
xset m default
my Best Setting is :)
xset m 10 1
To Get Extra-Insight Look this other Guide: