I have been using my relativity program i made in 1997 and have some ideas, massless particles travel along with the actual speed of the
expansion of the universe close to C, , , , the apparent rate of the expanding universe is 44.7387 mile per second per mega parsec,
which works out at an actual speed of 99.999999 C
here is a screen shot of my program, , , Note the actual speed of .99999997, or 186243 MPS and the apparent speed at the
bottom of 64.30355 MPS
CANNOT ADD JPG
My twist on Einstein's formula shows 1) how massless particles like photons can travel at light speed
2) That the apparent expansion of the universe is speeding up because the actual speed is slowing down