Suppose it were, as you suggest, a behest issue. Riding the precise cusp (roller coaster on the Santa Cruz boardwalk), there is a marked instant when, as if breaching the apex of that first rise, after which you can define it as "out of control." In this instance there are no guiding tracks nor images by Frank Philip Stella. Only the propulsion, momentum which you yourself initiated, and the in vitro careening towards undertow. The moment revision devised for? The incident to look at? At least make a chart. Employ graphics,