The slide has accelerated since the beginning of the year, with oil futures contracts shedding $10 a barrel in the last two weeks.

When the first-class cars were opened to all in the rush hour, the slide in quality accelerated.

The slide that Mr. Wagoner helped to reverse 14 years ago has returned and accelerated.

But ultimately, any strategy conceived now is just playing for time as the slide towards a totally free digital culture accelerates.

The slide accelerated this week, on the prospect of new cigarette taxes or laws.

The sharp slide in the Tokyo stock market accelerated today after a heavy selloff yesterday.

Under pressure from overseas competitors, the industry has been in decline for decades, and that slide has accelerated.

As those investors sell, the slide accelerates.

The disclosure confirmed widespread suspicions that Chrysler's slide had accelerated sharply.

Then the slide accelerated and the sheet whispered to the floor.