"Some strange facts: At 70 mph the center of your tire is moving 70 mph. The bottom of your tire where it 'grabs' the pavement is moving at 0.1 mph The top of your tire is moving forward at 140 mph."
That point was made here in 2011 with an explanation of Weldon's Vegas Indy car fatality, nobody got it then either.
Reality check, that half the population is smarter then 50% of the people and it's a constantly contested fact.
