Need help with background movement

Hi guys…

Actually…just need some input here…how to achieve such background movement as u can see in this racing paltform games…

don’t take me wrong just need an idea how to achieve such background movement…

last mountain image move slow compare to racing platform image …so how to achieve such view…

really need help with it…tq in advanced

The background scrolls at a slower speed…thats because the MC will have a much longer timeline.