The sink rate could, within certain limits, be controlled by the concentration of the salt solution.

The sink rate was still one hundred meters per second.

Let's keep this sink rate and we'll do okay.

Those kind of sink rates are not compatible with safety.

Additionally, the approach and landing had to be made at high speed, to prevent the sink rate from becoming too high.

Well, he had a very high sink rate now.

The aircraft has a very low power off sink rate of about 350 fpm (1.78 m/s).

It also has a slightly higher sink rate of 180 feet per minute versus the PS-2's 150.

No doubt with a passenger in the back the trim would be sufficient, but the sink rate might need watching at that speed.

It was also reported to have a lower sink rate than conventional hang gliders of the time.