Originally Posted by DaveReidUK
What are kts/hr ?
It's the new unit proposed to be used for acceleration by the NAECAMISA (North America Except Canada And Mexico International Standards Agency). It was decided that fathoms per forthnight per moment wasn't causing quite enough confusion. With this new unit, it is expected that 97.8% of all interplanetary space probes will be prevented from ever crashing into Mars as they will be on the wrong side of the sun entirely, on a trajectory roughly normal to the ecliptic.