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

JOY_ACCELSCALE

CS:GO

Sets the acceleration scale of your joystick, if you use one to play CS:GO.

Syntax
joy_accelscale [Acceleration]

Description

Sets the acceleration scale of your joystick, if you use one to play CS:GO.

How To Use joy_accelscale

  1. Enable the developer console in Counter-Strike settings.
  2. Open the console with the tilde key (~).
  3. Enter joy_accelscale [Acceleration], replacing bracketed arguments with the value you want, then press Enter.

This legacy command is not currently listed as compatible with Counter-Strike 2.

Syntax And Arguments

joy_accelscale [Acceleration]
Acceleration The scale that you want to set your joystick acceleration to. The default value for this command is 3.5.