 They regarded the decision to descend at 5 meters per second (1,000 fpm) as reasonable given the conditions.However, as the first officer focused on the nose gear issue, the aircraft actually experienced a descent of 10.0 meters per second (1,960 fpm) for 26 seconds, zero descent for 16 seconds and then an average descent of 8.6 meters per second (1,720 fpm) until impact.The first officer was distracted by the captain's dealings with the landing-gear issues, hindering him from primary task