Flurry Warrior

From wow.incgamers.com

Talent: Flurry Warrior Talent
Effect: Increases your attack speed by a % for your next 3 swings after dealing a melee critical strike.
Statistics: Rank 1 = +5%, Rank 2 = +10%, Rank 3 = +15%, Rank 4 = +20%, Rank 5 = +25%.