The phrase "accelerated its efforts" is correct and usable in written English.
It can be used when describing an increase in the intensity or speed of actions taken towards a goal or objective.
Example: "In response to the urgent situation, the organization accelerated its efforts to provide aid to those in need."
Alternatives: "intensified its efforts" or "hastened its efforts".
And the regime recently accelerated its efforts to enrich uranium to a higher level, taking it one step closer to the bomb.
"But Rumsfeld has lowered his sights, and the military has greatly accelerated its efforts to change.
Instead, Tehran accelerated its efforts, saying its nuclear program is entirely peaceful in nature.
Regional economic bloc Ecowas has accelerated its efforts to send troops to the international campaign in Mali, authorising the immediate deployment of 3,300 troops.
The campaign began with a modest $600,000 a week statewide advertising push just after Labor Day and accelerated its efforts two weeks ago.
Mr. Gates said Iran had accelerated its efforts to enrich uranium despite United Nations Security Council sanctions and could restart a weapons program at any time.
Vogt said that access to GM's considerable resources has helped it accelerate its efforts.
In its announcement, Rhapsody said it wanted to "accelerate its efforts in Europe and emerging markets".
There is so much interest in the technology that the furniture industry may accelerate its efforts to apply it on a more ambitious basis, perhaps in time for the fair next year.
Whether it's Google going on a hiring spree as it attempts to accelerate its efforts or General Motors acquiring Cruise, a driverless-car startup, the subject consistently finds a place in any given news cycle.
As the New York City Department of Health and Mental Hygiene accelerates its efforts to control H.I.V., it is worth remembering how health officials drove tuberculosis down.
