O.K so this might be like comparing Apples to Oranges......
I'm the one in the White t-shirt ,hat on backwards and sun glasses on...my drafting partner Mally, from the U.K, is directly behind me in the staging area.
This is a wooden, 3 story, twisty ,turny , up hill and down hill go cart track in Branson. Been to it enough times to know that the wooden track slicks up the hotter the air temperature is outside which I use to my advantage sliding one of these carts around the turns.....its hammer down the whole time, lap after lap
Only disadvantage is my adult weight verses some kids puny weight assuming that all the engines are reasonably the same H.P