The phrase "accelerate promptly" is correct and usable in written English.
It can be used in contexts where you want to emphasize the need for quick action or speed in a process or task.
Example: "In order to meet the deadline, we need to accelerate promptly on the project."
Alternatives: "speed up quickly" or "hasten immediately."
After looking up and noticing that the light had turned green, he rushed to accelerate– and promptly rear-ended the car in front of him, which had been slower to take off.
Ronaldo nonchalently set up the first chance of the game by wafting the ball in Hugo Almeida's direction to find him in clear space after five minutes, only for the striker to fail to either accelerate or shoot promptly enough and allow Mats Hummels to come across and block.
This may be due to the fact that when the temperature is gradually raising the rate of initiator decomposition was also increased drastically and thus yields more radicals which are responsible to accelerate the polymerization process promptly thereby the rate of polymerization was increased significantly.
The Allies condemned Germany's chlorine attack, then promptly accelerated their own chemical-weapons programs.
The building's renovation — which began in 2000 — also seemed rife with meaning to Gov. Andrew M. Cuomo, who took office in 2011 and promptly accelerated the pace of the overhaul.
After campaigning on fiscal discipline, FDR promptly accelerated Hoover's initiatives, devising new economic experiments almost daily.
Other researchers have found that in the case of inflammation occurring on skin lesion, the up-regulation of CD105 promptly accelerated the infiltration of inflammatory cells and angiogenesis [ 20].
Proper due process safeguards and greater co-operation with prosecution counsels would accelerate the entire system, with unjust extradition requests promptly dismissed and appropriate domestic prosecutions proceeding quickly and effectively.
According to the minutes, released on Tuesday, the extended-period language should not limit the Fed's ability "to commence monetary policy tightening promptly" if economic activity or underlying inflation were to suddenly accelerate.
