The phrase "acceleration in activity" is correct and usable in written English.
It can be used to describe an increase in the level or speed of an activity or process.
Example: "The recent changes in policy have led to an acceleration in activity within the department, resulting in faster project completions."
Alternatives: "increase in activity" or "boost in activity".
That said, the survey remains consistent with the idea of moderate growth in the district, without signs of robust acceleration in activity in the near term...
The acceleration in activity has occurred over the last six months, with smaller lenders jumping into the fray, said Melissa Cohn, the chief executive of the Manhattan Mortgage Company, a large mortgage broker.
IHS Global Insight economist Diego Iscaro said: "The sharp acceleration in activity during the first quarter... points to growth in 2015 being somewhat stronger than expected by the government.
So, is this acceleration in activity likely to continue throughout 2014, and what will this mean for house prices?
But the Commerce Department said there was already evidence that the economy was rebounding, with data ranging from employment to manufacturing activity already pointing to a sharp acceleration in economic activity in the second quarter.
WASHINGTON — Consumer confidence ebbed in August and residential construction rose less than expected in July, potentially dimming hopes of an acceleration in economic activity in the second half of the year.
The economy's firming tone was also emphasized by data showing an acceleration in factory activity in New York state and the mid-Atlantic region this month.
WASHINGTON — Sales of new homes in the United States vaulted to a five-year high in June, while other data on Wednesday showed an acceleration in factory activity in July, bolstering hopes of a third-quarter pickup in economic growth.
"While we characterize this employment report as upbeat and consistent with the underlying acceleration in economic activity in the second half of last year," he said, "we suggest that the December data probably overstate the rate of improvement in labor market conditions".
"The September survey represents the best set of monthly figures within the quarter, with a marked acceleration in construction activity and a pick-up in new orders and employment levels.
