Answer:
reduced speed comes out to be 48.3 km/hr
Explanation:
intial speed = 65 miles per hour
final speed = 35 miles per hour
reduced speed = initial speed - final speed
             =  65  - 35
             =  30 mile/hr
1 km = 0.62 mile
1 miles = Â 1.61 km/hr
so reduce speed in (km/hr) = 30 ×1.61 km/hr
                       =  48.3 km/hr
hence the reduced speed comes out to be 48.3 km/hr