I have made a very simple, basic ball animation with Blender, and was just going to render it (in Cycles). I want to render each frame as an image, so I set it to PNG. But when I render it, after about 5 seconds, it renders a bunch of black images. The render result does not even appear in the UV image Editor. Here is what it looks like when I hit the Render Animation button-

I am trying to render it with 128 samples, 32 preview. Here are my Render settings-
Here is the project file:
I am using Blender 2.79. Can anyone help me and tell me why my animation is not rendering?