Try this line very slowly and precisely , and go as fast as you can ... After a couple of days of practicing , this should be on of the easiest and fastest things to do on guitar.

Begin with a DownStroke, and alternate pick throughout.

A---------7--------%-|
E-7-9-10-----10-9----|


I think I should credit Paul Gilbert here , since he keeps on teaching this line (on different strings) on every single video he makes !