The secret to increasing your movement speed is to dodge just before landing after jumping. Each such jump gives a rate increase.
To use this opportunity, you need to pump the maneuvering system and V's legs' strength in the game. After that, you can run very fast.
Of course, this is an undocumented feature. Therefore, in the process, you can see how cars sometimes dissolve in the air. It seems that the developers did not count on the protagonist's speed.