A dense cloud came over the sun, and sank rapidly toward the earth.

The ship immediately broke in half, and the stern sank rapidly.

I asked no one in particular, except perhaps the rapidly sinking sun.

But all around them the deeper woods were sinking rapidly into darkness.

They gathered around and marked its progress as it sank rapidly to the bottom of the water.

The hydroplane was going down by the stern, sinking rapidly.

She is sinking rapidly, and the doctor has given up all hope.

I was exhausted, and sank rapidly into a groggy state.

He ended with, "Do not use me to promote your rapidly sinking show."