Temperature is like riding down the hill with a bike. The steeper the hill is, the bike goes as a faster rate. Which means theres more collision.

Concetration is like a bike gaining more speed as the steep becomes steeper. Providing more speed to the bike to collide.

Surface area is like a bike being so big that it is more likely to collide with objects.

catalyst is like a bike going down a hill and its going fast, the hill becomes higher and slows the bike down.