I agree with Harry,
I sat in shock and awe whilst a brand new captain (Not in EK), attempted a "zoom" climb, on the climb out to avoid some CB's ahead of us, using a VS of 2000fpm, and proudly announced winding the speed back to 250kts, "now let's see what this baby can do!", the look on his face was priceless as confusion set in when the thrust levers abruptly came back