NB! It seems this console command is not compatible with CS2.
Command Profile

M_FORWARD

CS:GO

This console command is used to set the mouse forward factor.

Syntax
m_forward [Value]

Description

This console command is used to set the mouse forward factor.

Syntax And Arguments

m_forward [Value]
Value The forward factor you want to use for your mouse settings. The default value for this command is 1, and it can be set anywhere from 0.0001 to 1,000.