TI-57 Lunar Lander ?

[Thomas Klemm]

(02-03-2019 08:09 AM)ijabbott Wrote:  So burn some of it in a different step, but still only burn in one step.

If you free fall until the last step before you crash you can use 82 units of fuel to bring down your velocity to 0 but there are still 540 m to go.
Due to gravity you accelerate to 42 m/s on impact.
That's more than the 5 m/s which is considered a smooth landing.

Cheers
Thomas