How do i form a negative command for hacerlo in the ustedes form

To create a negative tú command, remember this mantra: form of yo, drop the – o, add the opposite ending. Adding the opposite ending means if a verb has an infinitive that ends in – ar, the present tense tú ending for an – er/– ir verb is used to create the negative tú command.

una pelota de beisbol

explanation:

porque tiene mas velocidad