I did quite some experimenting with this. Fruit moves fastest and green leaves. Meat, cheese, oil and fats slowest. But we often eat combinations: and the slowest component of your food determines the speed of the whole. Also: it's a one lane road and "over taking" is not possible. So, eating a fast moving meal after a slow moving meal results in the fast mover getting stuck behind the slow mover. Hence I start my da…
Best poop-related comment I've seen.