I see

> I don't know how fast the car will go and probably never will. The car was built to thrill me, not kill me. That doesn't stop me from the occasional blast on the highway though.

but I am unsure if that means he has never driven it using the jet engine, or whether the engine even will power the car or just kinda runs on its own. I'm curious to see it go at all under jet engine power.

Edit: maybe this is it https://www.youtube.com/watch?v=R-ipYAl3o40