From an infant's fluttering speed it would go through the thickening slowness of adult life to the full stop of a corpse.

A Study of vibration and flutter of wings and control surfaces is presented with particular emphasis on those parameters which affect flutter speed.

Her heart was pounding man at a rapid, fluttering speed; she could feel its fevered pulse against the slower throb of his own, so close had he brought her to himself.

A phenomenon that impacts stability of aircraft known as 'transonic dip', in which the flutter speed can get close to flight speed, was reported in May 1976 by Farmer and Hanson.