I offer you an alternative braking Solution. (y);) Here's a guy that is actually using your recommended braking method in his pickup truck Rocket...lol...Thought you might get a kick out of this...lol. https://www.youtube.com/watch?v=J8LCh3ZE3p8
Looks exciting in a kamikaze sort of way. I've seen battery powered ones just booking it at least 20mph. They have bigger tires and wheels. Full on motocross gear would help with the tumble but not if you hit something solid like a brick wall or a freight truck. Lol.