Within a year of flowering the tree rapidly dies and falls over.

The effort to convert to the Arawaks failed as they rapidly died from disease.

In the corridor, the ponics, most of their light source gone, were dying rapidly.

Without blood, that part of the heart dies rapidly.

The flames on the house died rapidly, with nothing left to burn.

(This was when sectarian attacks were widespread) Story died rapidly.

It may mean that the bacteria are rapidly dying.

They long to return to the cool, crisp weather of their home state, but that hope is dying rapidly.

This thin skin has some battery effect, but like (3) above it is real shallow, dies rapidly.

His eyes glistened, but the spark of life within was rapidly dying.