addCommandHandler("cartest",
    function(a)
        if getPlayerName(a) == "Freak" and bindKey(a, "k", "down",
            function(e)
                local d = getPedOccupiedVehicle(e)
                local n,m,o = getElementVelocity(d)
                setElementVelocity(d, n/100*30, m/100*30, o)
            end) then end
    end
)