These three children went just ahead of me. Every sled has a driver and a brakeman. I was the only passenger on my trip. The girls' parents rode just after me.
If you think you want to try it, do it.
If you have even the slightest inkling that you don't want to do it, don't; really.
As I said, it is exhilarating and terrifying. The adrenalin rush made me laugh histerically for an hour!