FIVEM

local speed = 0

Citizen.CreateThread(function()
    while true do
        Citizen.Wait(0)
        local ped = GetPlayerPed(-1)
        if IsPedShooting(ped) and IsPedInAnyVehicle(ped, true) then
            local vehicle = GetVehiclePedIsIn(ped, true)
             if GetPedInVehicleSeat(vehicle, -1) == ped then
                speed = GetEntitySpeed(vehicle)
                local mph = speed * 2.236936
                SetTextFont(0)
                SetTextProportional(1)
                SetTextScale(0.0, 0.5)
                SetTextDropshadow(1, 0, 0, 0, 255)
                SetTextEdge(1, 0, 0, 0, 255)
                SetTextDropShadow()
                SetTextOutline()
                SetTextEntry("STRING")
                SetTextCentre(true)
                AddTextComponentString("~r~" .. math.ceil(mph) .. " ~p~MPH")
                DrawText(0.5, 0.87)
            end
        end
    end
end)