For perspective, this spinning car-mass has the energy of a fighter-jet-speed car. You could get that energy from mass instead of velocity ... from say a walkin

For perspective, this spinning car-mass has the energy of a fighter-jet-speed car. You could get that energy from mass instead of velocity ... from say a walking-speed supertanker. [] Google does "32 kWh to Joules", and https://www.omnicalculator.com/physics/kinetic-energy https://www.omnicalculator.com/physics/kinetic-energy .