VEHICLE WAS TRAVELING FREE FROM OTHER TRAFFIC OR OBSTACLES WHEN, WITHOUT WARNING, THE SUNROOF GLASS SHATTERED CAUSING A LOUD SOUND THAT DISTRACTED THE DRIVER. RESULTANT GLASS PARTICLES ENTERED THE VEHICLE COMPARTMENT, CAUSING A MINOR INJURY TO THE RIGHT HAND OF THE DRIVER. AS SEEN IN THE ATTACHED PHOTOS, THE GLASS EXPLODED OUTWARD, INDICATING THAT THIS WAS NOT DUE TO AN EXTERNAL IMPACT. VEHICLE WAS TRAVELING AT HIGHWAY SPEED ON INTERSTATE 74 EASTBOUND JUST WEST OF INDIANAPOLIS, INDIANA