A police car equipped with a radar speed detecting device observes a motorist traveling at a speed of 120 km/h. The police car starts pursuing the motorist 30 s after the initial observation and accelerates to 160 km/h during a 20 s time interval. Assume both vehicules maintain these speeds on a straight unimpeded road

a police car equipped with a radar speed detecting device observes a motorist traveling at a speed of 120 km/h. The police car starts pursuing the motorist 30 s after the initial observation and accelerates to 160 km/h during a 20 s time interval. Assume both vehicules maintain these speeds on a straight unimpeded road
Find distance and time traversed from the moment of the original observation until the chase ends.
Answer: 160seconds and 5333.3m