I apologize if this is the wrong forum, but I didn't know quite where to put this.
Yesterday I was on an MD90 for the first time (quite surprising actually considering that I live in SLC). I noticed that my ride felt considerably different than I am used to: for instance through the departure it didn't feel like we were taking off at all, very smooth and I didn't feel like I was being pushed back into the seat. Then mid-flight, the flight was smooth but I noticed that I had a feeling like I was going up and down almost like a cyclical surge of power every couple seconds. Lastly, it felt as if we powered up on approach every time the flaps were. Is there an explanation for all of this, or is it just me?