DIALLO From , joined Dec 1969, posts, RR: Reply 2, posted (11 years 7 months 1 week 4 days 17 hours ago) and read 11040 times:
On U.S. carriers as all aircraft in general, take-off speed depends on the weight of the aircraft. The heavier you are, the more speed you'll need to get airborne.
U.S. Carrier aircraft are usually catapulted to a flying speed of about 150 knots.