Some interesting, if concerning, comments and suggestions.
Keep in mind that, for an event such as ..
Speed excursion was momentary. Speed decreased below S after the excursion
... the airspeed system is not as reliable as normally observed. Works pretty well in steady state conditions which parallel the calibration data ..
At the end of the day, one trusts in the historical probabilities and research .. most times you win, very occasionally, you lose.
Winging things on the day is not all that useful in general practice ..
Best practice guidance is to follow the OEM's recommended practice ...