At the other end of the scale, one colleague lost seperation with a 734 on a SID followed by a Saab 2000, 2 minutes behind. Both had to level off at the SID altitude due other traffic.
Radar recordings showed neither broke the speed limit, yet the Saab accelerated to 250kts far quicker than the 73, and seperation was lost, degrading to 2.2 miles before becoming constant.
Bloody fast those Saab Screws