I think its an escalater The Answer to the first part of this question is Age, and hot air. The 2nd part would be anything ground-based as well as an escalator.
(in my case a kite) but all seriousness fire works
What goes up when rain comes down is an umbrella.
Something that reaches the escape velocity of the body its coming up from.
a traveller on a donkey.
age
your age
your age
rain
rain goes down, but never goes up actually it evaporates is transformed to water vapor goes into the clouds and eventually comes down as rain again (pixilated)
A waterfall
Age.
Your age.
Age
Your age!
dirt
your age