I eyeballed it from here[1], which I should have just linked with my post. [1] http://math.ucr.edu/home/baez/physics/Relativity/SR/rocket.html http://math.ucr.

I eyeballed it from here[1], which I should have just linked with my post. [1] http://math.ucr.edu/home/baez/physics/Relativity/SR/rocket.html http://math.ucr.edu/home/baez/physics/Relativity/SR/rocket.h...