While that does look like fun, I don't think I'd be comfortable riding in something that was intended to smash into the ground with (literally) earth-shattering force.
Just because the laws of circular motion say it's possible doesn't mean you should actually do it. Jesus, one wrong motion by the operator and 8 people go flying.
I think it should be the goal of the operator to try to find out just what it takes to make 8 people go flying and try to break the previous record every time.
"Hey, who wants to maybe end up in a Guinness Book?"