On Dec 10, 3:45*pm, Dr J R Stockton
wrote:

On any spherical homogeneous body, a horizontal acceleration of one
local gee gets you to orbital speed in half a radian and to escape speed
in a full radian.

Ah. So 10 degrees of longitude will do at three G, based on this and
your later statement. I would have thought time was inversely
proportional to acceleration, and distance is proportional to time
squared... ah, yes, but times the acceleration, so that cancels out
one factor of the time.

John Savard