Answer :
1. The skater is traveling at 50 mph
2. The biker is traveling at 5 mph
3. The speed of the driver is known as accelerative speed (i dont know if this last one is right but the other 2 should be)
2. The biker is traveling at 5 mph
3. The speed of the driver is known as accelerative speed (i dont know if this last one is right but the other 2 should be)