She might have been, but she knew that he would eventually go on the offensive again, because he had so far. Assuming otherwise seemed to her like that would be underestimating the Hokage.

Rather than pursue him this time, she remained firmly rooted in her position in the trees, clapping her hands together and dragging up large sections of earth on either side of him, attempting to snap them shut with enough speed to prevent his escape.

Obviously it wouldn't work, but she had to at least seem like she was trying in earnest.