Here.
Angsizing using the second panel.
Arcee is 33 feet tall or 10.0584.
8.5 heads as she is a hero, so 1.1833.
Her head: 1.1833 or 61 px
Panel height: 253 px
2atan(61/(253/tan(70/2))) = 13.0344227 degrees
5.179 m
Arcee's leg seems to be barely out of the way, so I guess she dodged a leg distance. Legs for females make up around half their body height, so 5.0292.
5.0292/5.179 = 97.11% the speed of light, Relativistic+