stilton - "757 / 67 'Rotates lowly' and while they are good performers it is not exactly Bugatti Veyron acceleration.
Certainly not whiplash inducing

"
Hmm, 757 w/RR engines at Max Power is very impressive.
Especially if your weight is down around 180-190,000 lbs (85,000 Kg).(typical weight for a 2-3 hr flight).
Thrust to weight is almost down to .5, which is similar to fighter a/c 'dry' thrust to weight ratios.