We were trying to figure the whole thing out on what happened as the info was so vague.
Now, it makes sense:
https://www.ntsb.gov/investigations/AccidentReports/Reports/RRD21FR008-preliminary-report.pdf
You still kind of wonder though....
the speed on the track is 10 mph and its restricted speed, so at 10 on that blind corner they had a banner set up....