Assuming you meant is

The answer would be :




Hope this helps !
Photon
However, your equation seems weird :o
Answer:
The first ship has the same speed as Saige's ship while the second and third do not have the same speed.
Step-by-step explanation:
d = Distance traveled by Saige's spaceship = 588 km
t = Time taken = 60 seconds
Speed is given by

The other ships



So, the first ship has the same speed as Saige's ship while the second and third do not have the same speed.
I think, I THINK it's 150.72 inches.