"One year ago today. Longyearbyen, Svalbard. Faster than a speeding bullet toward July 11, 2025," Gunn captioned the post, which can be viewed below. The actor acknowledged the role comes with a ...

And, it is faster than a bullet. The speed of an average rifle bullet is 3,276 kilometers per hour (kmph) but Asteroid 2019 SR8 will be flying at more than ten times that speed — at 35,350 kmph.