Updrafts take the aircraft up to FL 370 and produces a negative G of .2
Don't generally think of airlines under negative g, and g of -0.2 means the aircraft went from 1.0g, or more, giving a -1.2g or higher increment. When they developed the F-16 side stick controller, they found the pilot, (arm mass?), over controlled under negative g. To alleviate this human factors, (arm mass dynamic?), they limited forward travel of the side stick controller to a tiny amount, 1/100th of an inch if I remember. All other motions were in the x/16th scale, i.e., 5/16 inch travel.
Don't know if the sim replicates that, but if it doesn't then the 'push' could have been greater, setting up a steeper descent.