Looks like a bad CV joint.

[Big Nate]

Checking out the steering and suspension on my D40 2010. Doesn't look great. Would explain the clicking sound when accelerating and turning?

 

[Horatius]

Usually they lose the grease when the rubber boot splits, but yours looks ok (from what I can see)? If so there's a fair chance that would be your noise, they don't last long without grease.