Physics Model: Sled slides down inclined plane with gravity component g·sin(θ) opposed by friction μ·g·cos(θ) and quadratic drag ½·ρ·Cd·A·v²/m.
Lamade Hill: ~18° average grade, ~60m runout. Cardboard degrades with heat from friction — integrity drops as μ·v·t accumulates.
Braves Context: ESPN viral post shows players sliding during 2024 Little League Classic. Heavier players accelerate faster but stress cardboard more.