a red and blue car were involved in a head-on

Question

A red and blue car were involved in a head-on collision. The red car was at a standstill and the blue car was possibly  speeding. Eye witness video recorded suddenly following the moment of impact displayed the two cars entangled together, traveling at 30 mph. The red car weighs 2,000 pounds, and the speed limit is 65 mph. Write a C++ program that permits the user to enter the weight of the blue car and explains whether the blue car was speeding.

Hint: 1 mph = 0.447 m/s, and 1 pound = 0.4536 kg. Conservation of momentum dictates that the total momentum before a collision equivalent the total momentum after a collision as in the following equation:  

                                                         m₁v₁+m₂v₂=(m₁+m₂)v

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