This information is from here:
https://www.mouse-sensitivity.com/updates/updates/marauders-r648/ – [mouse-sensitivity.com] 
 

Rate of mouse polling

To avoid negative acceleration due to smoothing, if you have a mouse that has 1000hz polling set to 500 Hz or lower
 
 
The base sensitivity is extremely high, and DPI Wizard states that "the slider is very inaccurate, it could be off by more than 30%."
 
 
I recommend that you follow the steps in the comments
here – [mouse-sensitivity.com]
 
Along with using their
calculator – [mouse-sensitivity.com]
 
To accurately alter your sensitivity.

 
 

 
 
This is all about Marauders – How to Fix Negative mouse acceleration and floaty mouse; I hope you enjoy reading the Guide! If you feel like we should add more information or we forget/mistake, please let us know via commenting below, and thanks! See you soon!