From a different robot (Boston Dynamics' new Atlas) - the system moves at a "reasonable" speed. But watch at 1m20s in this video[1]. You can see it bump and then move VERY quickly -- with speed that would certainly damage something, or hurt someone.
[1] https://www.youtube.com/watch?v=F_7IPm7f1vI
Especially if holding a knife or something sharp.
Especially if holding a knife or something sharp.