In just this past May I began to practice driving, and one could probably guess right off the bat, I had not yet quite adjusted to the sensitivity of the break. That said, every time I took a break, the person in the passenger seat (in this case my mother) almost flew directly into dashboard. This is due to Newton's First Law, "an object in motion will stay in motion, unless acted upon by an outside force". While the car may have stopped abruptly, the passenger's natural reaction was to follow the car's initial path and continue forward. Although, as the reasoning of why they were created, my mom made the crucial decision of wearing a seatbelt. The seatbelt was the force that stopped her in her motion forward, by locking and acting on her in the opposite direction. So while there may be a nice breeze through the front windshield when you fly through it without a seatbelt on, I suggest wearing a seatbelt and just rolling down the window as an alternate idea. Just my opinion though.