Jus to add to the data related by Garage years - she stated that engine thrust was @50% @3 seconds out (at 103kts)
NTSB: Briefing Prelim Data
82 secs before impact - AP off - 1600 ft alt
73 secs - 173kts
54 secs - 149kts
34 secs - 134kts - 500 ft
16 secs - 118kts - 200 ft
8 secs - 112kts - 125 ft
3 secs - 103kts
Impact - 106kts