'increased tempo' is correct and usable in written English.
You can use it to describe something that is happening or has happened quickly or at a higher speed. For example: "The growth of technology has increased tempo in society today."
Maybe the increased tempo matched the crowd's near-hysterical mood.
But the increased tempo of the attacks has shown little sign, so far, of seriously destabilizing Colonel Qaddafi's rule.
But as for an increased tempo in planning for an actual attack, he said, "That strikes me as implausible".
The Thunder's increased tempo forced fouls, too, and it made 10 of 11 free throws in the quarter.
Many say, as well, that the increased tempo of NATO operations is to blame for the greater frequency of all attacks, including those that end in civilian casualties.
For one, the Cowboys started practice earlier than usual and conducted it in full pads, with an emphasis on an increased tempo.
While the regular services have also had recruiting difficulties, the reserves appear hardest hit by the increasing tempo of deployments.
Mullah Omar's whereabouts also were uncertain as pressures on the Taliban mounted with the increasing tempo of American military planning.
Lt. Gen. Ricardo Sanchez said operations would be stepped up against shadowy groups behind the increasing tempo of attacks on American troops in the Iraqi heartland between the Tigris and Euphrates rivers.
KABUL, Afghanistan — The toll in a wave of attacks against coalition forces by their Afghan counterparts rose this week, underscoring the increasing tempo of the so-called green-on-blue assaults this year.
It intends to expand to other locations this year, with increasing tempo.
