[codeъif getElementType(attacker) == "vehicle" then 
speedx, speedy, speedz = getElementVelocity ( attacker ) 
actualspeed = (speedx^2 + speedy^2 + speedz^2)^(0.5)  
kmh = actualspeed * 180 
if kmh >= 20 then 
local vehkiller = getVehicleOccupant ( attacker ) 
setElementData(source,"blood",0) 
if getElementData(source,"blood") <= 0 then 
triggerServerEvent("onZombieGetsKilled",source,vehkiller) 
triggerServerEvent("Zomb_delete", getRootElement(), source) 
end 
end 
end