Worth a read.

https://newatlas.com/automotive/ssc-tuatara-speed-record-controversy/

This has been entertaining on Youtube. My cynical theory is Jerod Shelby knew he'd either 1) get away with the outrageous top speed claim and lots of free PR, or 2) he'd be called out and get EVEN MORE free PR with the "I'm sorry" video and subsequent retest. He invited big Youtubers to the retest.

Best analysis I've seen, released yesterday by a racing telemetry company founder: https://www.youtube.com/watch?v=j_uTuNcqZVQ
TLDR analysis: 223.75 mph

SSC Tuatara sets land-speed record for production cars at 282.9 mph

https://www.motorauthority.com/news/1131069_ssc-tuatara-sets-land-speed-record-for-production-cars-at-282-9-mph