The first thing we need to do is find a formula which tells us how to calculate the force of gravity pulling the ball downward.
(we; need; to do) Context(we need,List([16, 23))):(The first thing; to do; we) (the force of gravity; pulling; the ball; downward) (The first thing we need to do; is; find a formula) (a formula; tells; us; how to calculate the force of gravity)
we need,List([16, 23))
we The first thing the force of gravity The first thing we need to do a formula
need to do pulling is tells
to do
we
the ball downward
find a formula
us how to calculate the force of gravity