CarbsAndCylinders
Careful With That Axe Eugene
The Growth
After the car launches, inertia grows the tire to as much as 38 inches in diameter, simultaneously lengthening and narrowing the contact patch. This effectively lets the final-drive ratio grow taller for higher speeds and reduces rolling resistance as the vehicle hits terminal velocity.
https://www.caranddriver.com/features/a26089565/drag-racing-tires-explainer/
After the car launches, inertia grows the tire to as much as 38 inches in diameter, simultaneously lengthening and narrowing the contact patch. This effectively lets the final-drive ratio grow taller for higher speeds and reduces rolling resistance as the vehicle hits terminal velocity.
https://www.caranddriver.com/features/a26089565/drag-racing-tires-explainer/