The methods and software application described herein monitor the acceleration experienced by a mobile device and determine when said acceleration exceeds a predetermined acceleration threshold that may be indicative of an unusually rapid acceleration or deceleration. In the event of a sudden acceleration or deceleration, the methods and mobile application described herein automatically trigger a timely, event-related notification to the user of the mobile device, such as displaying a banner on the mobile device's display, a text, electronic mail, or voice message.