Presumably this would affect drag significantly. Here are the equations of motion of an aircraft https://eaglepubs.erau.edu/introductiontoaerospaceflightvehicl

Presumably this would affect drag significantly. Here are the equations of motion of an aircraft https://eaglepubs.erau.edu/introductiontoaerospaceflightvehicles/chapter/airplane-equations-of-motion/ https://eaglepubs.erau.edu/introductiontoaerospaceflightvehi... ...and indeed it does. Here is a discussion https://aviation.stackexchange.com/questions/24641/what-is-the-relation-between-an-airplanes-altitude-and-the-drag-it-is-experienc https://aviation.stackexchange.com/questions/24641/what-is-t...