option 1

......Point 1 .......Source -------> V1
........i
........i
........i
.......single photon
........i
........i
........i
....................SENSOR --------> V1

single photon started in point 1 in past
after short time sensor and source have new position in space

single photon will never touch the sensor reason is V1 !


option 2
single photon has got mass
(inertia similar problem we feel inside car that is moving )

......Point 1 .........Source....-------> V1
........i
........i
........i
...................single photon --------> V1
........i
........i
........i
.......................SENSOR.. --------> V1