Limited support
This feature is only present in Portal 2: Community Edition and Portal: Revolution.

sv_speed_paint_ramp_acceleration

🟦 Executable on Client

sv_speed_paint_ramp_acceleration <value>

How fast the player accelerates on speed paint when on a ramp.

Warning:

This is a cheat command and can only be used when sv_cheats is set to 1.

Note:

The value is synced between the server and all clients.