Once a trend gets going, it tends to gather speed and spread.

When the other train moved back, his train began to gather speed without him on board.

As the competitors gather speed, the true scale of the kickers becomes apparent.

We gather speed for what seems like an impossibly slow takeoff at just 75mph — slower than the cars on the motorways we see below us as the plane slowly rises.

This newspaper, along with most of the media, has helped it to gather speed, largely unchallenged.