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

CL_UPSPEED

CS:GO

This command controls your upspeed. The default value for this is 320.

Syntax
cl_upspeed [Upspeed]

Description

This command controls your upspeed. The default value for this is 320.

How To Use cl_upspeed

  1. Enable the developer console in Counter-Strike settings.
  2. Open the console with the tilde key (~).
  3. Enter cl_upspeed [Upspeed], 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

cl_upspeed [Upspeed]
Upspeed The upspeed value you want to set. Default is 320.