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Multiple Choice

In the context of speed categories, the lower limit for category D is 141 knots.

Speed categories have defined ranges with clear start points. The lower limit is the smallest speed that still qualifies for that category. For category D, the boundary is 141 knots, so 141 knots marks the start of category D. A speed of 140 knots would fall into the previous category, while speeds like 142 or 143 knots are within category D but are not at the starting boundary.

Speed categories have defined ranges with clear start points. The lower limit is the smallest speed that still qualifies for that category. For category D, the boundary is 141 knots, so 141 knots marks the start of category D. A speed of 140 knots would fall into the previous category, while speeds like 142 or 143 knots are within category D but are not at the starting boundary.