I give you the QB velocity results of the 2016 NFL Combine.
The velocity is measured by a radar gun in miles per hour. 54 mph is considered average...just like the Cowboys were last year..
Paxton Lynch, Memphis 59
Jared Goff, California 58
Carson Wentz, North Dakota State 57
Christian Hackenberg, Penn State 56
Joel Stave, Wisconsin 56
Jacoby Brissett, North Carolina State 56
Josh Woodrum, Liberty 56
Cody Kessler, Southern Cal 55
Brandon Allen, Arkansas 55
Trevone Boykin, TCU 55
Dak Prescott, Mississippi State 54
Nate Sudfeld, Indiana 54
Kevin Hogan, Stanford 53
Brandon Doughty, Western Kentucky 53
Vernon Adams, Oregon 53
Jeff Driskel, Louisana Tech 52
Connor Cook, Michigan State 50
Cardale Jones, Ohio State, Did not throw
https://www.ourlads.com/story/default/Quarterback-Ball-Velocity-at-NFL-Combine-2008-2017/10243/dh/