Bouncing ball getting stuck on edge of collider

I currently have a bunch of 2D balls, dots really, bouncing around the screen. They’re 2D rigidbodies with no drag or gravity and a very bouncy physics material. When they’re spawned they have some forced added in a random direction, which will pretty much be constant, since there’s no drag. There’s an Edge Collider around the edge of the camera.

My problem is that when the balls hit one of the edge at a very low angle, it’ll begin to move along the edge of the collider and not bouncing away like it should. To better explain my problem, please see this gif or this picture.
What can I do to prevent this?

Check this topic,

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Thank you. The decreasing Velocity Threshold setting did the trick for me.