What does it feel like to ascend at
a) 1 m/s
b) 10 m/s?
Relate to the speed a lift ascends. To work out the speed, divide the height the lift rises when it goes from one floor to another by the time taken to travel that height.
c) Is it safe for birds, gliders or, indeed, any other aircraft to be caught in the upcurrents of cumulonimbus clouds?