When making a full attack action, a hasted creature may make one extra attack with any weapon he is holding. The attack is made using the creature's full base attack bonus, plus any modifiers appropriate to the situation. (This effect is not cumulative with similar effects, such as that provided by a speed weapon, nor does it actually grant an extra action, so you can't use it to cast a second spell or otherwise take an extra action in the round.)
3R时期我一直认为加速是不能给天武额外攻击的
但是PF那边有人问起叠不叠时, Pathfinder 的Creative Director突然冒出来说"Haste grants you one bonus attack, including natural attacks."
因为PF的Haste描述和3R一样,所以问下3R有不有关于这个问题的官方说法