Acelere comes from the verb acelerar, meaning "to accelerate" or "to quicken." While it's a common verb, its use in this context is particularly evocative.
In the song, Nacho sings, "Yo quiero ser quien acelere tus latidos" (I want to be the one who quickens your heartbeats). This isn't just about speed; it's a romantic and passionate way to say he wants to be the cause of her excitement and strong emotions, making her heart race with desire. It's a more poetic and intense way to express infatuation than simply saying "make your heart beat faster."
Have you ever been so afraid of getting your heart broken that you decide to give up on love completely? That's the story at the center of this song. The singer is talking to a woman who has sworn off romance, telling herself she won't fall in love or risk her feelings again because she's scared of losing.
Instead of giving up, the singer makes a passionate plea. He asks for just one night to prove he's different. He promises to love her like no one ever has and to be the one who makes her heart race. With confident lines like, "I will completely change your destiny" and "I'm going to fill your heart, I'm going to flood it," he tries to convince her that a single night with him will be an unforgettable experience, like fireworks going off.