markers1 = createMarker(-3607.1999511719,850.59997558594,55.200000762939, "cylinder", 20, 0, 0, 0,0)
markers2 = createMarker(-3607.1999511719,812.40002441406,42.400001525879, "cylinder", 20, 0, 0, 0,0)

createVehicle ( 515,-3610.8999023438,842.5,48.900001525879,18.748168945313,0,0)
createVehicle ( 584,-3604.1000976563,839.29998779297,48,358.857421875,335.48950195313,90)

function hitMarker( thePlayer )
    if source == markers1 then
        local vehicle = getPedOccupiedVehicle ( thePlayer )
        setGameSpeed(0.1)
        setGravity (0.005)
        createExplosion (-3607,839.09997558594,46.599998474121,2,true,-5.0,false )
        createExplosion (-3610,839.09997558594,46.599998474121,2,true,-5.0,false )
        createExplosion (-3604,839.09997558594,46.599998474121,2,true,-5.0,false )
    end
    if source == markers2 then
        local vehicle = getPedOccupiedVehicle ( thePlayer )
        setGameSpeed(1)
	setGravity (0.008)
    end
end

addEventHandler ( "onClientMarkerHit", getRootElement(), hitMarker)