Cliff jumper 2: Electric Boogaloo

Diana tossed her pack over the side of the cliff to the cove below.  Then, as Alia watched in disbelief, she sprinted the length of the cliff top.  Alia clapped her hands over her mouth.  She can’t mean to--
Diana lept, silhouetted for a moment against the thunderheads, arms outstretched.  She looked like she might sprout wings and take flight.  Stranger things have happened today.  Instead, her body arced downward and vanished over the cliff side.