Answer:
Proportional relationship.
Step-by-step explanation:
From the given table, let us find the ratio of each pair of time and distance.
The first pair is 2 and 90.
Therefore, the ratio is 
The second pair is 3 and 135.
Therefore, the ratio is 
The third pair is 5 and 225.
Therefore, the ratio is 
The fourth pair is 6 and 270.
Therefore, the ratio is 
Since, the ratio of each pair is same and equal to 45, therefore, the relationship is proportional relationship.