It was on the ground, running at her with impossible speed.

And it seems to be moving at an impossible speed.

He was hurtling toward them from the far side of the span with impossible speed.

They came out of nowhere at impossible speeds and began to kill.

The approach was being made at an impossible speed.

He took a step around her, not moving with impossible speed, but she was still powerless to keep him away from the hysterical woman.

I was reading a tattered old book at impossible speeds.

Getting a place, he says, required almost impossible speed to beat out the competition.

The landscape rolled away underneath him at an impossible speed, and he was accelerating.

Paul continued at his impossible speed and arrived at the area.