#1
I'm having problems getting the 2nd note (which is the note after the first pull-off) to sound clearly at faster speeds. Something to do with pull-off technique or finger independence? Or is it normal
#2
Slow down?

Its probably a combination of technique and finger independence. Slow down to a speed you can play it cleanly, and practice at that speed til its easy to play cleanly at that speed, then gradually speed up.