“You’re going to miss the window! Do it now!” Matt repeated, watching Ambrose’s drone race past the halfway mark. His was now almost a full two seconds in front of Luca’s drone.

Luca’s hand trembled as he flipped the switch. The drone, as if fueled by an impossible power, screamed forward, leaving the other trailing racers in its wake. With the finish line seconds away, Luca took the last turn with clumsy but incredible speed, now inches behind Ambrose…