At this point the main thrusters shut down and the secondary thrusters ignited, slowing the fall until the lander was 1. 5 m ( 5 ft ) above the surface, where the engine was switched off.

At this point the main thrusters shut down and the secondary thrusters ignited, slowing the fall until the lander was 1. 5 meters above the surface, where the engine was cut off.

0.004 seconds.