There appears to be some differences as to the definition of airspeed. As far as I know, it's the speed in the direction that the airplane is going because that's what determines lift. By that definition, it's the diagonal of the ground speed and rate of descent vector triangle that I posted before, which is 152 knots. Note that the actual angle of attack and airspeed is dependent on the surface wind speed and direction relative to the airplane's heading. Also, the aircraft airspeed measurement system will not be able to accurately convey this speed to the pilots due to the very high angle of attack involved. Not that it matters, post stall.
Airspeed is not the the relative speed along the horizontal unless the airplane is in level flight (that's ground speed after correction for the wind aloft) or the relative speed along the axis of the body (I don't know what would be called but the hard-core aero guys probably have a phrase for it) unless the airplane angle of attack is zero or thereabouts, depending on the angle of attack reference versus the wing incidence on the fuselage. In other words, if the airplane was in level flight with a 16-degree nose-up pitch and there was no wind aloft, the air speed would be equal to ground speed, not reduced by the body angle relative to the horizon.
