    Sentence 4: For-air object: t¥aveling  at ‘Speeds above.c, would: time:arid  ‘distance. measure as negative to an’  oupsice’observer? #         Sénténce-2;Since. speed is Gea! ta  ‘distange ‘divided By: time; how -can  the “speed of. light. be oristant: if  tithe isnot?    