Analytic gravity-turn ascent: altitude ½·a·t², downrange altitude²/(2·turn), so the rocket rises straight off the pad and pitches over smoothly. Pure, so any instant can be scrubbed to.
Analytic gravity-turn ascent: altitude ½·a·t², downrange altitude²/(2·turn), so the rocket rises straight off the pad and pitches over smoothly. Pure, so any instant can be scrubbed to.