Originally Posted by
Vessbot
But yes you can, if the other guy's GS is not constant. And you described just such a scenario yourself, concluding with:
before reversing again:?
As long as two aircraft follow different philosophies some increase decrease of separation is not avoidable. But it would be transient. May be ATC spacing was too tight or the aircraft ahead may have slowed down. Because so many buses flying for so long it's not been an issue.