Question about wired ranger tool

I have one question: what measurement unit i will get if find magnitude of vecolity vector returned my wired ranger tool? Units per second? or something another?

[editline]12:06AM[/editline]

Oh i’ve found answer on http://developer.valvesoftware.com/wiki/Dimensions - vecolity is units per seconds - to convert in MPH i must multiple by 0,042613636363636363636363636363636