If that is the case who is to say she was not slowing them down before they left the guns?
And if that is the case why was her telekinesis so weak that they did not simply stop completely inside the guns?
And if she knew they were there, why not just kill them outright?
And.. the list of inconsistency goes on and on.
Or, we could just accept that she was probably generating a protective field around her in the first place.
Or maybe she had thickened the air around her since things seem to just float around slowly... who knows?
The point is there is no clear-cut speed feat there.
The Avengers: It is less of a movie and more of a Religious Experience.
It will change the way you view... well, everything.
They most certainly did not just change magazines, they exchanged their M16s for entirely new plastic guns.
And no, tranq guns work via compressed air/gas.
I mean seriously
what part of
1. explosion + hollow tube = bad
2. Dart propelled at bullet speed = lethal as, oh say a lump of metal fired at bullet speed
is hard to grasp?
the mutants shot with them weren't killed on the spot, that alone is proof that they weren't fired remotely near bullet speed.