The mechanism of particle detachment induced by air-water interface collision has been controversial. This study utilizes high-speed dynamic camera to assess how particle hydrophobicity and bubble size affect the dynamics of detachment at the air-water interface. We discovered that only particles with hydrophobicity ranging from 22° to 41° and a diameter of 1 mm successfully detach. Particles with a contact angle below 22° struggle to adhere, whereas those above 41° are difficult to detach. The detachment probability increases with the Eo number of the bubble, primarily for two reasons: bubbles with larger Eo numbers possess greater kinetic energy, and the higher collision angle with the interface leads to an increased relative velocity. Additionally, A portion of bubble kinetic energy deformed the air-water interface, reducing energy for particle detachment. This research offers valuable insights for precisely controlling the detachment process in coarse particle flotation systems.