will have to check not sure have you tired anything
\\quicktest
spritetest.mov
looks like sprites started later (emission rate changed after 30 frames from 0 to 100 percent to 0) synced with original sprites sent out 30 frames earlier
Spent about 2 hours trying to get this simple idea to work and needed hair to be controlled by a pose to turn petals on at the end but did not work but the thought is still there
earthday.mov