Before revision: The Malewicki Equations (or Fehskens-Malewicki Equations) for Sub-sonic Endo-atmospheric Rocket Flight describe the maximum altitude and coast time of a vehicle such as a model rocket.
After revision: The Malewicki equations (or Fehskens–Malewicki equations) for sub-sonic endo-atmospheric rocket flight describe the maximum altitude and coast time of a vehicle such as a model rocket.