Antonyms for the phrase "puts on brakes" include "accelerates," "speeds up," "goes full throttle," and "takes off." These antonyms describe actions that move forward, rather than slow down or stop. "Accelerates" connotes a quickening of pace, while "speeds up" implies an increase in velocity. "Goes full throttle" suggests a maximum effort, with no holding back. "Takes off" is a phrase commonly used in aviation to indicate departure, indicating a movement away from the starting point. Overall, these antonyms paint a picture of movement, action, and momentum, in contrast to the slower, cautious action of "putting on brakes.