---------------
-- Author:  Disinterpreter
-- License: Prorpietary software
-- Copyright:   (c) 2014
-- Script:  TougeTeam Warning Speed
---------------
bState = true
aCars = {420,560}
function getVehicleSpeed()
    if isPedInVehicle(localPlayer) then
        local vx, vy, vz = getElementVelocity(getPedOccupiedVehicle(localPlayer))
        return math.sqrt(vx^2 + vy^2 + vz^2) * 161
    end
    return 0
end

addEventHandler("onClientRender", root,
    function()
        local pVehicle = getPedOccupiedVehicle(localPlayer);
        if pVehicle and isElement( pVehicle ) then
            for _,v in pairs (aCars) do
                local iModel = getElementModel(pVehicle)
                if (v == iModel) and (getVehicleSpeed() >= 100)
                then
                    if bState == true then
                        sound = playSound("sound.mp3", true)
                        bState = false
                    end
                end
                if (v == iModel) and (getVehicleSpeed() <= 100)
                then
                    if bState == false then
                        stopSound(sound)
                        bState = true
                    end
                end
            end
        end
    end
)