We already know she can attack at Super Speeds
http://www.picamatic.com/show/2008/10/23/01/18/1228645_527x800.jpg
Look at the scan Closely. There is no DOUBT she can move and attack at FTL. She actually comes in from out of no where and lasso's Amazo's arm between the M and the E of Hurt ME!!!!!!!!! Let's not forget that he was using Flashe's Speed as remarked in the Freaking Panels.