Final answer:
A catchy slogan for the new running shoe called Speed masters could be: Sprint Ahead. Dominate Every Mile.
Step-by-step explanation:
To create a slogan for the new running shoe called Speed masters using the media technique of association, we can focus on the idea of speed, performance, and excellence. A catchy slogan could be:
Sprint Ahead. Dominate Every Mile.
This slogan uses the association technique by linking the product's name, Speed masters , with the concept of sprinting ahead and dominating every mile. It conveys the message that wearing Speed masters will enhance your speed and running performance.