On one of my 777's in FS9, I have a panel that calls out these once the plane starts rolling 20 knots and up.
Start takeoff roll, it automatically says these in order and it's timed to the airspeed:
Airspeed alive (above 20 knots) Vee One (around 70-90 knots) Rotate (around 140-145)
-Chris Active Camera Pro MegaScenery NY PSS 777-200LR Aerosoft Scenery Manhattan TrackIR3 Pro with Vector ActiveSky 6 PMDG 747 'Queen of the Skies' AlphaSim F-117