Even Mr. Grant says that it's too early to predict more than a gradual acceleration in commodity prices.

A successful first run was made from a standing start at idle thrust and gradual acceleration, reaching an estimated top speed of 180 mph.

Straight from the lawn they lifted, the little craft hurtling upward with no such niceties as gradual acceleration.

She decided a fast take- off would spare him more than a gradual acceleration.

Jim could feel the ship move, a slow, throbbing slide away from the now hidden swirling colors, first very gently, then with gradual acceleration.

Crewed ships could reach light-speed velocities without harming their living cargo only through gradual acceleration.

This is all accepted through gradual acceleration and semantics like "privilege" vs. "right", an argument you actually make for me.

Average hourly earnings in July rose by one-half of 1 percent, to $13.29 from $13.23, continuing a gradual acceleration of wage growth in recent months.

It has a much gentler, cooler exhaust, so flight characteristics tend to feature gradual acceleration rather than firework-like performance.

What I am doing is to introduce a very gradual acceleration of the natural radioactivity in the Earth's crust.