No, the word "hurrying" is not a preposition. It is a verb that describes the action of moving quickly or rushing.
No but, there can be action verbs that describe water. EX:(splashing, flowing, calm, rushing.)
Not usually: It is a noun (as in "He was in a rush") and a verb (as in "She rushed to the taxi"). But in the phrases "rush job" and "rush order" it is used as an attributive (a noun used as an adjective).
Down is a preposition BUT in this sentence it is part of the phrasal verb -- fell down. Sometimes a preposition in a phrasal verb is called a particle
Jerry Rushing's birth name is Jerry Elijah Rushing.
Brad Rushing's birth name is John Bradley Rushing.
Jimmy Rushing's birth name is Rushing, James Andrew.
Josh Rushing's birth name is Joshua Gayland Rushing.
Kevin Rushing goes by Sweet Rush, and Professor Rushing.
Ty Rushing's birth name is Ty Lee Rushing.
I was rushing to get my work done. Rushing while doing errands, I lost my wallet.
One of the statistics kept in football is rushing yards. A 'rushing title' basically means the same as 'who led the league in rushing yards'. The player that wins a 'rushing title' is the player 'who led the league in rushing yards'. Rushing yards are accrued when an offensive player advances the ball past the line of scrimmage without the aid of a forward pass.