lost momentum

Yes, the protests themselves had lost momentum over the past 10 days or so.

Progress toward reconstitution of local government lost momentum as state leadership lapsed.

The wheel slackened speed; the ball lost momentum, and, rolling down the slope, struck one of a lozenge-shaped row of obstacles.

I could blackjack you both before this swell-elegant vehickle lost momentum, savvy?

But the figure lost momentum suddenly at the top, hesitated, and apparently moved forward on tiptoe.

The launch slowed as it lost momentum and drifted into place perfectly.