Note this assumes an aerodynamically favorable configuration (e.g. nose pointed down) which is not how planes are typically flown.
https://www.quora.com/What-is-the-terminal-velocity-of-an-ai...
Using V = sqrt(2ma/pAC) you'd get:
V = sqrt(2(80000 kg)(9.81 m/s^2)/((1.225 kg/m^3)(210 m^2)(0.03)))
V = 451 m/s
Note this assumes an aerodynamically favorable configuration (e.g. nose pointed down) which is not how planes are typically flown.
https://www.quora.com/What-is-the-terminal-velocity-of-an-ai...